Help & Reference
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Reference pages are the single source of truth for rules that other pages cite but never restate: how long files are kept, which tools are free, what the limits are, which formats work, and which browsers are supported. If a number matters, it lives here once — everywhere else links here.
Help & Reference
The authoritative pages for file limits, formats, browser support, retention, and billing scope.
- 疑難排解 — 載入、按鈕與輸出問題的常見原因與解決方法
- 檔案大小與配額限制 — 檔案大小、批次數量與任務配額的本地與雲端限制
- 支援的格式 — 各工具類別的輸入與輸出格式
- 瀏覽器相容性 — 建議的瀏覽器與行動裝置注意事項
- 隱私與保留模式 — 本地優先處理、短期雲端保留、刪除機制與 DPA
- How Long Are My Files Kept? Retention and Deletion, Plan by Plan
- Free vs Paid on PDFLean: Exactly Which Tools Are Free and Which Use Credits
Note: file-limits, supported-formats, browser-compatibility, troubleshooting, and privacy-model keep their original
/docs/guides/URLs (they are already indexed) and are listed in this section.
Related reading
Section titled “Related reading”- How Long Are My Files Kept? — the one retention rule for every account
- Free vs Paid on PDFLean — the free/credit boundary for every tool family
- Troubleshooting — when something goes wrong, start here